US PATENT SUBCLASS 165 / 49
.~.~ Radiant building panel

Current as of: June, 1999
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165 /   HD   HEAT EXCHANGE

47  DF  STRUCTURAL INSTALLATION {3}
48.1  DF  .~ Heating and cooling {3}
49.~.~ Radiant building panel

DEFINITION

Classification: 165/49

(under subclass 48.1) Apparatus wherein a heat exchanging element is installed as an area of a room surface.